3x + 1x + 5x + 36
9x = 36
x = 4
3x = 12
5x = 20
Answer:
27.5 pages read per hour
Step-by-step explanation:
Answer: a
Step-by-step explanation:
Answer:
4.5
Step-by-step explanation:
when the height is 0 the ball will hit the ground
so the equation is
-12t²+54t=0
12t²-54t=0
2t²-9t=0
t(2t-9)=0
t=0
t=4.5
so the answer is
4.5